Order ARDEIF0RME8 
No. 246. 
Family ARDEIDJE. 
BUTORIDES ROGERSI. 
RED MANGROYE-BITTERN. 
(Plate 196.) 
Butorides rogersi Mathews, Bull. Brit. Ornith. Club, Vol. XXVII., p. 101, 1911 ; 
Onslow, Mid-west Australia. 
Butorides rogersi Mathews, Bull. Brit. Ornith. Club, Vol. XXVII., p. 101, 1911 ; id., Nov. 
Zool., Vol. XVIII., p. 233, 1912 ; id.. List Birds Austr., p. 84, 1913. 
Toburides rogersi Mathews, Austral Av. Rec., Vol. I., p. 195, 1913. 
Distribution. Onslow, Mid-west Australia. 
Adult male. General colour, above and below, rufous with dark centres to the feathers 
of the back, scapulars, and wings ; bastard-wing, primary-coverts and quills 
dark brown, margined on the outer webs with rufous ; some of the inner 
primary-quiUs and outer secondaries have pale tips, the innermost secondaries 
fringed with rufous on the outer webs ; lower-back grey with rufous tips to the 
feathers ; tail uniform dark green ; crown of head and nuchal crest, as also a 
small hne at the base of the gape, greenish-black ; under wing-coverts grey tinged 
with rufous ; the long under tail-coverts grey, subterminally dark brown and 
edged with rufous. Bill : upper mandible dark horn, lower yellowish-white ; 
iris yellow ; feet greenish-yellow. Total length 405 mm. ; culmen 66, wing 183, 
tail 58, tarsus 53. 
Young. Bright rufous on the back and wings ; bastard-wing and primary-coverts rufous 
on the outer webs, pale brown on the inner ones and tipped with white like the 
greater wing-coverts, primary- and secondary-quills, and long scapulars ; tail dark 
brown fringed with rufous ; crown of head and nape rufous, the feathers fringed 
with black ; sides of face, sides of neck and lower fore-neck buff, with dark rufous 
inner webs ; middle of throat white, streaked with pale brown which becomes 
bright rufous oh the lower fore-neck ; abdomen, under tail-coverts, axillaries, 
and under wing-coverts silky-white tinged with sandy-buff. Iris yellow ; feet 
yellow. 
Immature. Head black, with rufous shaft-lines towards the tips of the feathers on the 
sides of the face ; sides of the neck and fore-neck more rufous, with little or no 
black on the feathers ; the under-surface similar, but not quite so rufous, and 
showing more of the grey bases to the feathers ; back, scapulars, and wing- 
coverts grey strongly margined with rufous, and spotted with white or rufous 
at the tips of the feathers ; bastard-wing, primary-coverts and quills nearly 
uniform pale brown with white tips ; tail dark brown faintly edged with rufous ; 
iris yellow ; feet greenish-yellow. 
Nest and Eggs. Undescribed. 
I CAN find no life-history of this bird. The type-bird figured and described 
is a male, collected at the mouth of the Ashburton River, as were the young 
and immature. 
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